Talljoe's layout with common keymap. (#2764)

Talljoe's layout with common keymap. (#2764)

* Add userspace to talljoe layout.

* Move more authority to userspace and create Bananasplit layout.

* Move more things into userspace.

* Common Core example

* More work on common layout.

* Num layer.

* talljoe-ansi layout

* Updates for Zeal60

* Add Zeal60 to 60_ansi_split_bs_rshift

* Swap Escape and Grave

* Num-layer tweaks

* More tweaks.

* Add 1up60rgb to world of layouts.

* Rename ansi_split_bs_rshift layout to hhkb.

* Control RGB Backlight.

* change capslock led

* Remove obsolete line from rules.mk.

* Add user-friendly userspace override.

* Fix enter for 1uprgb60

* Revert "Rename ansi_split_bs_rshift layout to hhkb."

This reverts commit 53133719db25c7cb6a199108bbf5d980481a45f4.